For Gem Enthusiasts

The most common aquamarine enhancements try to turn blueish green stones pure blue. Learn how heating and other aquamarine treatments work.

Although not well known, scapolite would make an attractive gem material for both jewelry enthusiasts and mineral collectors. It comes in a wide…

Aquamarines are fairly tough jewelry stones, but they do have some weaknesses. Learn about aquamarine durability and what precautions you should…

Synthetic aquamarines are relatively rare, but gemologists may encounter them. Learn how these stones are made and how to distinguish them from…

Deep-water coral displays bright, rich reds and delicate pinks. Our precious coral buying guide will help you choose a gem for your next jewelry…

Malachite is a beautiful decorative stone. Its rich, patterned coloration in shades of green is unique among gems. Malachite’s low hardness makes…